[jira] [Commented] (FLINK-7444) Make external calls non-blocking

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-7444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16151948#comment-16151948 ] 

ASF GitHub Bot commented on FLINK-7444:
---------------------------------------

Github user tillrohrmann commented on the issue:

    https://github.com/apache/flink/pull/4540
  
    I've made the `FatalErrorHandler` calls non asynchronous. Rebasing and if Travis gives green light, I'll merge this PR.


> Make external calls non-blocking
> --------------------------------
>
>                 Key: FLINK-7444
>                 URL: https://issues.apache.org/jira/browse/FLINK-7444
>             Project: Flink
>          Issue Type: Bug
>          Components: Distributed Coordination
>    Affects Versions: 1.4.0
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>              Labels: flip-6
>
> All external calls from a {{RpcEndpoint}} can be potentially blocking, e.g. calls to the {{FatalErrorHandler}}. Therefore, I propose to make all these calls coming from the {{RpcEndpoint's}} main thread non-blocking by running them in an {{Executor}}. That way the main thread will never be blocked.



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